Windows Internet and Wi-Fi Troubleshooting Guide (Fix Connection Problems in Windows 10 & 11)

How to Fix Internet, Wi-Fi, and Network Problems in Windows 10 and 11

Internet and Wi-Fi problems are among the most common Windows issues. If your computer shows Wi-Fi connected but no internet, drops connections, or cannot connect at all, this guide walks through proven fixes for Windows 10 and Windows 11.

This guide walks through step-by-step fixes from simplest to more advanced.

Step 1: Restart Modem and Router (Quick Internet Fix)

1. Power off modem and router

2. Wait 30 seconds

3. Power them back on

4. Restart the computer

Step 2: Run Windows Network Troubleshooter

1. Open Settings > Network & Internet > Status

2. Click Network troubleshooter

Step 3: Flush DNS Cache to Fix Internet Issues

1. Right-click Start > Windows Terminal (Admin)

2. Run:
   ipconfig /flushdns

Step 4: Reset Network Adapter in Windows

1. Open Settings > Network & Internet > Advanced network settings

2. Select Network reset

3. Restart the computer

Step 5: Update Network Drivers

1. Open Device Manager

2. Expand Network adapters

3. Right-click adapter > Update driver

Step 6: Change DNS Servers for Faster and More Reliable Internet

1. Open Control Panel > Network and Sharing Center

2. Change adapter settings

3. Set DNS properly

When Internet Issues Continue

• Test Ethernet vs Wi-Fi

• Check router firmware

• Contact ISP if outages persist

Return to the Top 50 Windows Computer Problems hub for more fixes.